# Logical form and logical equivalence related homework questions

• #### Titration between phosphoric acid and NaOH. For Ka1, calculate: 1/2 equivalence point, equivalence point, and after 7.5 mL added. For Ka2, calculate: 1/2 equivalence point, equivalence point, and aft...

Titration between phosphoric acid and NaOH. For Ka1, calculate: 1/2 equivalence point, equivalence point, and after 7.5 mL added. For Ka2, calculate: 1/2 equivalence point, equivalence point, and after 17.5 mL added. Please show step by step, thank you! 1 pH mL NaOH Phosphoric A...

• #### Logical form and logical equivalence

Prove both sides of theorem 2.1.1 #1010) absorption law: and

• #### a certain center uses both form and form b if form a is used 4 times more than form b and in the course of one day they use form a and b 750 times how many times was form a used

a certain center uses both form and form b if form a is used 4 times more than form b and in the course of one day they use form a and b 750 times how many times was form a used

• #### The statement "form follows function" means function over form, form over function, form and function together, or function under form

The statement "form follows function" means function over form, form over function, form and function together, or function under form. I think it is form over function.

• #### o Why don't knots form a group? o Why do braids form a group? (What in knot theory does form groups) o Why don't knots form a group? o Why do braids form a group? (What in knot theor...

o Why don't knots form a group? o Why do braids form a group? (What in knot theory does form groups) o Why don't knots form a group? o Why do braids form a group? (What in knot theory does form groups)

• #### Equivalence relation and equivalence class

Define a relation R on Z as xRy if and only if x2+y2 is even.Prove R is an equivalence relation.Describe its equivalenceclasses.

• #### Assuming that Ka is 1.85 *10-5 for acetic acid, calculate the pH at one-half the equivalence point and at the equivalence point for titration of 50mL of 0.100M acetic acid with 0.100M NaOH

Assuming that Ka is 1.85 *10-5 for acetic acid, calculate the pH at one-half the equivalence point and at the equivalence point for titration of 50mL of 0.100M acetic acid with 0.100M NaOH.

• #### pH at Equivalence Point and Half Equivalence Point

A 25.0 mL sample of a solution of the weak base aniline, C6H5NH2, requires 25.67 mL of 0.175 M HCl to reach the equivalence point. (Kb for aniline = 4.0 x 10–10)C6H5NH2(aq) + H3O+(aq) ? C6H5NH3+(aq) + H2O(l)What is the pH at the equivalence point of the titration and at the half...

• #### 10. Verify that the relations given below are quasiorders. List the elements of each equivalence class of the induced equivalence relation, and draw the Hasse (a) On the set (1,2,..., 303, define...

10. Verify that the relations given below are quasiorders. List the elements of each equivalence class of the induced equivalence relation, and draw the Hasse (a) On the set (1,2,..., 303, define mn if and only if the sum of the digits (b) On the set (1.2,3,4,11, 12, 13,14,2...

Show that:

• #### Logical Equivalence and Tautologies

Show that (P implies Q) iff (P iff Q) is a tautology.

• #### Discrete Math - Equivalence Classes of Equivalence Relations

What are the equivalence classes of the equivalence relations below on {0,1,2,3}?a) { (0,0), (0,2), (2,0), (2,2), (2,3), (3,2), (3,3) }b) { (0,0), (1,1), (1,2), (2,1), (2,2), (3,3) }

• #### 2. Let f : A ! B. DeÖne a relation R on A by xRy i§ f (x) = f (y). a. Prove that R is an equivalence relation on A. b. Let Ex = fy 2 A : xRyg be the equivalence class of x 2 A. DeÖne E = fEx : x 2 Ag...

2. Let f : A ! B. DeÖne a relation R on A by xRy i§ f (x) = f (y). a. Prove that R is an equivalence relation on A. b. Let Ex = fy 2 A : xRyg be the equivalence class of x 2 A. DeÖne E = fEx : x 2 Ag to be the collection of all equivalence classes. Prove that the function g : A !...

• #### Let H-{2m : m ajbe H. (a) Show that R is an equivalence relation. (b) Describe the elements in the equivalence class [3...

Let H-{2m : m ajbe H. (a) Show that R is an equivalence relation. (b) Describe the elements in the equivalence class  Z). A relation R is defined on the set Q+ of positive rational numbers by R b if Let H-{2m : m ajbe H. (a) Show that R is an equivalence relation. (b) De...

• #### Logical Equivalence

For statements P, Q and , use a truth table to show that each of the following pairs of statements are logically equivalent.a) (P ^ Q) <=> P and P => Qb) P => (Q v R) and (Q)=> ((P) v R)

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